Monthly Sunspot Observation Report
January 2020 Sunspot classification and coordinates →
7.67
Monthly mean R
21 / 31
Observation days (68%)
38
Maximum R
10
Days without observation
D: Day · T: Time (UT) · g: Number of groups · f: Number of spots · R: Relative number (10g+f) · Q: Seeing 1–5 · O: Observer · G: Assigned observer
| Drawing | D | T (UT) | g | f | R | Q | O | G |
|---|---|---|---|---|---|---|---|---|
| Drawing | 01 | 10:30 | 1 | 1 | 11 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 02 | 09:35 | 1 | 3 | 13 | 3 | Süleyman FİŞEK | SF |
| Drawing | 04 | 09:40 | 0 | 0 | 0 | 2 | Başar COŞKUNOĞLU | BC |
| Drawing | 09 | 12:40 | 1 | 3 | 13 | 3 | Burçin TANIK | BT |
| Drawing | 10 | 08:10 | 1 | 1 | 11 | 3 | Olcay PLEVNE | OP |
| Drawing | 11 | 10:53 | 0 | 0 | 0 | 4 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 13 | 08:45 | 0 | 0 | 0 | 3 | Talar YONTAN | TY0 |
| Drawing | 14 | 07:37 | 0 | 0 | 0 | 3 | Korhan YELKENCİ | KY |
| Drawing | 15 | 09:22 | 0 | 0 | 0 | 3 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 17 | 08:55 | 0 | 0 | 0 | 3 | Olcay PLEVNE | OP |
| Drawing | 18 | 09:05 | 0 | 0 | 0 | 3 | Süleyman FİŞEK | OP |
| Drawing | 20 | 08:30 | 0 | 0 | 0 | 3 | Talar YONTAN | TY0 |
| Drawing | 22 | 08:10 | 0 | 0 | 0 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 23 | 10:14 | 0 | 0 | 0 | 3 | Burçin TANIK | BT |
| Drawing | 24 | 09:10 | 1 | 1 | 11 | 3 | Başar COŞKUNOĞLU | BC |
| Drawing | 25 | 08:36 | 1 | 1 | 11 | 3 | Burçin TANIK | BT |
| Drawing | 26 | 10:40 | 2 | 18 | 38 | 3 | Hikmet ÇAKMAK | HÇ |
| Drawing | 27 | 11:10 | 1 | 5 | 15 | 3 | Burçin TANIK | BT |
| Drawing | 28 | 11:45 | 1 | 4 | 14 | 3 | H.ÇAKMAK-B.C. | BC |
| Drawing | 29 | 08:35 | 1 | 3 | 13 | 4 | Özgecan ÖNALTAŞ | ÖÖ |
| Drawing | 31 | 09:05 | 1 | 1 | 11 | 3 | Başar COŞKUNOĞLU | BC |
| Monthly Mean of Relative Number: 7.67 [21 observations; 68%] | ||||||||
Observers Observation days this month and mean observing times
| Observer | Days | Mean time (all) | Mean time (own duty days) |
|---|---|---|---|
| Hikmet Çakmak HÇ | 4 | 10:16 | 09:47 [3] |
| Burçin Tanık BT | 4 | 10:40 | 10:40 [4] |
| Başar Coşkunoğlu BC | 3 | 09:18 | 09:18 [3] |
| Ozgecan Önal Taş ÖÖ | 3 | 09:37 | 09:37 [3] |
| Süleyman Fişek SF | 2 | 09:20 | 09:35 [1] |
| Olcay Plevne OP | 2 | 08:33 | 08:33 [2] |
| Talar Yontan TY0 | 2 | 08:38 | 08:38 [2] |
| Korhan Yelkenci KY | 1 | 07:37 | 07:37 [1] |
| Month total | 21 – 10 | Observing window: 07:00 – 09:00 UT | |
Colour: black = within the window, green = up to 30 min late, purple = later.
The last twelve months Development of the daily and monthly mean relative number
Observation days (2020): 21 / 31 (68%)
Days without observation: 10
Consecutive days: 1 (longest 8)